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A Großvieheinheit (GV or GVE) is a conversion key used to compare different farm animals on the basis of their live weight. A Großvieheinheit represents 500 kilogrammes (roughly the weight of an adult bull). In the wild it excludes small animals like amphibians and insects, but is used for game in forestry and hunting.
For example, the dress weight for chickens and other fowl is closer to 75% of the live weight, [3] which is significantly higher than that of cattle, which can be from 50-70% depending on breed and methods used. [2] To compare, a 250-pound pig will typically have a dressed weight of 180 pounds and a retail cuts weight of 144 pounds.
Yield grade is determined by considering four carcass characteristics: external fat; kidney, pelvic and heart fat (KPH); ribeye area (REA); and hot carcass weight (HCW). The amount of external fat is measured at the ribbed surface between the 12th and 13th ribs. The ribbing of carcasses is described in the U.S. standards for beef grading.
As of 2011 in the US, broiler chickens has an FCR of 1.6 based on body weight gain, and mature in 39 days. [25] At around the same time the FCR based on weight gain for broilers in Brazil was 1.8. [25] The global average in 2013 is around 2.0 for weight gain (live weight) and 2.8 for slaughtered meat (carcass weight). [26]
Live weight gain for the Limousins averaged 1.27 kg/day, compared with an average 1.29 kg/day for the British breeds and 1.38 kg/day for the other continental European cattle. Limousin saleable meat gain averaged 585g/day, with the balance being 687g/day of low value or waste product, such as bone, trimmed fat, internal organs, and hide.
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The ratio of feed required to produce an equivalent amount of beef (live weight) has been estimated at 7:1 to 43:1, compared with about 2:1 for chicken. [30] [31] [32] However, assumptions about feed quality are implicit in such generalizations.
Severe drought across large parts of eastern and inland Australia between 2017 and 2019, saw the national beef herd reach its lowest levels since 1990. [5] Following this, cattle supply and market throughput has reduced which has been reflected in record high cattle prices.